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The AAPG/Datapages Combined Publications Database
Showing 365 Results. Searched 200,673 documents.
Trace-Element Composition of Cherts from Alkaline Lakes in the East African Rift: A Probe for Ancient Counterparts
Robert Kerrich, Robin W. Renaut, Thomas Bonli
Special Publications of SEPM
... (BEl). The detector contrast was set to high and brightness to low so that only phases composed of high and brightness to low so that only phases...
2002
Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment
Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria
Indonesian Petroleum Association
...) for a color to pure white (outside). Value Indicates the brightness value. Hue has values from 0 to 360 degrees, and Saturation and Value range from 0...
2022
Petrographic Examination of Sedimentary Rocks in the Sem Using Backscattered Electron Detectors
Kenneth Pye, David H. Krinsley
Journal of Sedimentary Research (SEPM)
... edge brightness often occurs in SE images because of the large contribution to the SE signal from forward-scattered primary electrons which penetrate...
1984
Aragonite Cements and their Occurrence in Ancient Limestones
Philip Sandberg
Special Publications of SEPM
... the experimental work of Hathaway & Robertson (1961), the work by Fenninger & Flajs (1974) on hydrozoans, and Land (1967). In the high-temperature c o m...
1985
Front Matter, TOC, Road logs, Back Pocket: Marathon Thrust Belt: Structure, Stratigraphy, and Hydrocarbon Potential
T. Matthew Laroche, Lee Higgins
West Texas Geological Society
... Roberts and Virey Fields. The dew point of the Devonian gas is 4450 PSIG at bottom hole temperature of 190° F., and the original reservoir pressure...
1990
Using clay microporosity to improve formation evaluation in potential residual oil zones: Cypress Sandstone, Illinois Basin
Leo G. Giannetta, Nathan D. Webb, Shane K. Butler, and Nathan P. Grigsby
AAPG Bulletin
... overnight in a low-temperature oven. This remaining sample was mixed lightly with a mortar and pestle and then packed into an end-loading sample holder...
2021
Field Trip Guide to Ancient & Modern Organic-Rich Environments in Kalimantan Timur (Borneo), Indonesia
Edited by Tim Moore
The Society for Organic Petrology (TSOP)
... Figure 83: Average temperature for Samarinda, East Kalimantan, Indonesia ...................... 98 Figure 84...
2015
RESOLVING THREE-DIMENSIONAL AND SUBSURFICIAL FEATURES OF CARBONACEOUS COMPRESSIONS AND SHELLY FOSSILS USING BACKSCATTERED ELECTRON SCANNING ELECTRON MICROSCOPY (BSE-SEM)
A.D. MUSCENTE, SHUHAI XIAO
PALAIOS
... image series, except for the dwell time and brightness, which were adjusted to maintain consistent image quality. Generally, dwell time was 30 ms when VA...
2015
Mapping facies distributions on modern carbonate platforms through integration of multispectral Landsat data, statistics-based unsupervised classifications, and surface sediment data
Stephen E. Kaczmarek, Melissa K. Hicks, Shawn M. Fullmer, Kelley L. Steffen, Steven L. Bachtel
AAPG Bulletin
... of brightness in each band with a spatial resolution of 28.5 m (93.5 ft). A list of the spectral TM bands acquired by Landsat 7 and their associated...
2010
A juvenile redlichiid trilobite caught on the move: Evidence from the Cambrian (Series 2) Chengjiang Lagerstätte, southwestern China
Qiang Ou, Degan Shu, Jian Han, Xingliang Zhang, Zhifei Zhang, Jianni Liu
PALAIOS
... element in terms of contrasts in brightness—the brighter, the more abundant—indicated by inset on SEM image. ftps 5 first thoracic pleural spine; fs 5...
2009
Canyons, Mystery and Solitude
John A. Frost
Utah Geological Association
... clouds that rise from beyond the mountains form a background more splendid than can be described. Slowly the sun sinks, now the brightness of his face...
1958
Integrated Analysis of Acoustic Images and Shear Wave Anisotropy Used for Geomechanical Modelling in a Tight Sand Oil Reservoir
Saikat Das, Viet Hoang Nguyen, Sadegh Asadi, Naveen Nathesan, Ahsan Jamil, Hilarion Milan, Ashvin Avalani Chandrakant, Fairuz Azwardy Salleh
Unconventional Resources Technology Conference (URTEC)
... at the brightness, direction, and continuation of the features on the map. The map also facilitates the comparison with other borehole image logs like the acoustic...
2021
The Role of Regional Seismic Surveys in the Exploration of the North West Shelf
J. Ostby, C. Johnston
Petroleum Exploration Society of Australia (PESA)
... the brightness of this event is caused by hydrocarbon saturation rather than by diagenesis or as a result of volcanic intrusion. Conclusion which...
1994
Using Cathodoluminescence to Map Regionally Zoned Carbonate Cements Occurring in Diagenetic Aureoles Above Oil Reservoirs: Initial Results from the Velma Oil Field, Oklahoma
Charles E. Barker, Debra K. Higley, Mary C. Dalziel
Special Publications of SEPM
.... Visual Description of CL The proportion of CL active grains, CL zonation within the grains, and CL color and intensity (i.e. brightness) were...
1991
Petrographic Analysis of Porosity and Permeability
Salman Bloch
Special Publications of SEPM
... level" is a measure of brightness and ranges be tween 0 and 255. A value of zero corresponds to black; a value of 255 corresponds to white. The three...
1994
Infill Seismic in the Southeast Java Forearc Basin: Implications for Petroleum Prospectivity
Ian Deighton, Tom Hancock, Gavin Hudson, Muhammad Tamannai, Peter Conn, Kenny Oh
Indonesian Petroleum Association
...) show that while there are some differences in brightness of various packages (perhaps reflecting more volcanics) the thickness of megasequences...
2011
Integration of Downhole Geophysical and Lithological Data from Coal Exploration Drill Holes
Brett J Larkin
Petroleum Exploration Society of Australia (PESA)
... on the right. Coal seams are shown in the geologist’s log by black rectangles the width of which denotes the brightness of the coal. Also shown are roof...
2018
Lineament study of the Semanggol Formation and adjacent areas from Landsat 8 Image
Ali Imran Azman, Jasmi Ab Talib, Mohamad Shaufi Sokiman
Geological Society of Malaysia (GSM)
... or rivers. There are also difficulties to trace lineaments on thin elevation due to low brightness of these images. Lineaments in length of more than 5...
2018
Enhancing Coal Quality Estimation Through Multiple Geophysical Log Analysis
Binzhong Zhou, Graham O'Brien
Petroleum Exploration Society of Australia (PESA)
... (such as ash content, volatile matter, in-situ moisture, brightness profile and lithotype) from geophysical logging with information from treated borecores...
2016
An Example of the Use of Satellite Image Analysis and Digital Data Integration in Exploration for Hydrocarbons in West Texas
R. L. Borger
West Texas Geological Society
... directly and observe the results interactively on a color video monitor (like a TV screen with color, contrast and brightness controls) thereby eliminating...
1990
Role of Reflection Seismic in Development of Nembe Creek Field, Nigeria
P. H. H. Nelson
AAPG Special Volumes
... sandstones too early (shallow) on the VAR-sections. Thus, the obvious "brightness" of the signal associated with the dominantly gas-bearing D1.0...
1980
Determination of Local Diffusion Coefficients and Directional Anisotropy in Shale From Dynamic Micro-CT Imaging
Yulai Zhang, Peyman Mostaghimi, Andrew Fogden, Alessio Arena, Adrian Sheppard, Jill Middleton, Ryan T. Armstrong
Unconventional Resources Technology Conference (URTEC)
... of their brightness from CH2I2 to approach the appearance of the dry-state. Fig. 5 presents the same field of view for the corresponding difference...
2017
Weighted stacking of up-and down-going RTM images using peak signal-to-noise ratio analysis
Sérgio Luiz E. F. da Silva, Ammir Karsou, Paulo H. B. Alves, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... shows the weight operator, in which the colors represent the normalized local PSNR defined by Eq. (5). The brightness color falls steadily from 0 to 1...
2024
Fluvial Tapestries: GeoArt of Hurricane Harvey
Katharine Kendall, Jerome Kendall
Houston Geological Society Bulletin
.... This paint reflects a hue of blue or green on the wall behind the peel which shifts in saturation and brightness as the viewer moves around...
2019
Stratal Elements of Sand Body Geometry in the Tanjung Formation - Southern Barito Basin, Kalimantan
Emanuelta Naibaho, Andreas Mayr, Anggi Yusriani
Indonesian Petroleum Association
... lenses. The thick coal seam has some color variation, darkness, brightness, striation marked, con-choidal cleavage, with the thickness range from 50 - 130...
2019